Question

see the attachment and solve plz

Answer 1

Answer:

Hope it is right

Step-by-step explanation:

1. 1
3. Range
4. 23

Answer 2

$2x ^{3} + 3x { }^{2} - x + k = 0$

$2 \times - 1 ^{3} + 3 + - 1 {}^{2} - ( - 1) + k = 0$

$- 2 + 3 + 1 + k$

$- 1 + 1 = k$

$0 = k$

(Option A)

10.) (a) class interval